Complex Energy Signal Model for Digital Human Fingerprint Matching

This paper describes a complex energy signal model that is isomorphic with digital human fingerprint images. By using signal models, the problem of fingerprint matching is transformed into the signal processing problem of finding a correlation between two complex signals that differ by phase-rotation and time-scaling. A technique for minutiae matching that is independent of image translation, rotation and linear-scaling, and is resistant to missing minutiae is proposed. The method was tested using random data points. The results show that for matching prints the scaling and rotation angles are closely estimated and a stronger match will have a higher correlation.

Authors:

• Jason Zalev
• Reza Sedaghat

Keywords:

• Affine Invariant
• Fingerprint Recognition
• Matching
• Minutiae.

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